209280708

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{331}}^1$

素因数の和:554

約数の個数: 144

約数和(自身を含む): 656446336

約数和(自身を除く): 447165628

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 193, 234, 252, 273, 331, 364, 386, 468, 546, 579, 662, 772, 819, 993, 1092, 1158, 1324, 1351, 1638, 1737, 1986, 2316, 2317, 2509, 2702, 2979, 3276, 3474, 3972, 4053, 4303, 4634, 5018, 5404, 5958, 6948, 6951, 7527, 8106, 8606, 9268, 10036, 11916, 12159, 12909, 13902, 15054, 16212, 17212, 17563, 20853, 22581, 24318, 25818, 27804, 30108, 30121, 35126, 38727, 41706, 45162, 48636, 51636, 52689, 60242, 63883, 70252, 77454, 83412, 90324, 90363, 105378, 120484, 127766, 154908, 158067, 180726, 191649, 210756, 255532, 271089, 316134, 361452, 383298, 447181, 542178, 574947, 632268, 766596, 830479, 894362, 1084356, 1149894, 1341543, 1660958, 1788724, 2299788, 2491437, 2683086, 3321916, 4024629, 4982874, 5366172, 5813353, 7474311, 8049258, 9965748, 11626706, 14948622, 16098516, 17440059, 23253412, 29897244, 34880118, 52320177, 69760236, 104640354, 209280708]

約数ペア:

[(1, 209280708), (2, 104640354), (3, 69760236), (4, 52320177), (6, 34880118), (7, 29897244), (9, 23253412), (12, 17440059), (13, 16098516), (14, 14948622), (18, 11626706), (21, 9965748), (26, 8049258), (28, 7474311), (36, 5813353), (39, 5366172), (42, 4982874), (52, 4024629), (63, 3321916), (78, 2683086), (84, 2491437), (91, 2299788), (117, 1788724), (126, 1660958), (156, 1341543), (182, 1149894), (193, 1084356), (234, 894362), (252, 830479), (273, 766596), (331, 632268), (364, 574947), (386, 542178), (468, 447181), (546, 383298), (579, 361452), (662, 316134), (772, 271089), (819, 255532), (993, 210756), (1092, 191649), (1158, 180726), (1324, 158067), (1351, 154908), (1638, 127766), (1737, 120484), (1986, 105378), (2316, 90363), (2317, 90324), (2509, 83412), (2702, 77454), (2979, 70252), (3276, 63883), (3474, 60242), (3972, 52689), (4053, 51636), (4303, 48636), (4634, 45162), (5018, 41706), (5404, 38727), (5958, 35126), (6948, 30121), (6951, 30108), (7527, 27804), (8106, 25818), (8606, 24318), (9268, 22581), (10036, 20853), (11916, 17563), (12159, 17212), (12909, 16212), (13902, 15054)]